Meet Elias Kiptum Maindi, one of Kenya's most promising up-and-coming marathon runners. Interviewed by DailyBurn in the town of Iten, Kenya, the so-called mecca for runners and "home of champions," Elias opens up about his biggest wins, his friend and mentor Wilson Kipsang, and the local runners' secret weapon, mursik, a fermented milk believed to impart speed and endurance.